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X-radiograph of shaped charge jet
Science and technology review, June 1998
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An Atomic Hydrogen Mushroom Cloud Bursts out of
our Galaxy
Released at the American Astronomical Society
meeting in Austin, Texas, 1999
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Eruption column caused by a vulcanian-type
explosive eruption rises above Tavurvur Volcano
in Rabaul Caldera, Papua New Guinea.
Photograph by J.W. Ewert on 5 October 1998
USGS/Cascades Volcano Observatory
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